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Finding the Fourth Proportional to 201,372.76, 277,832.84 and 132,442.58

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Solution

The fourth proportional to 201,372.76, 277,832.84 and 132,442.58 is: 182,730.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,372.76 : 277,832.84 = 132,442.58 : x
  2. Step 2: Convert to fraction form
    201,372.76/277,832.84 = 132,442.58/x
  3. Step 3: Cross multiply
    201,372.76x = 277,832.84 × 132,442.58
  4. Step 4: Simplify right side
    201,372.76x = 36,796,898,138.33
  5. Step 5: Solve for x
    x = 36,796,898,138.33/201,372.76
  6. Step 6: Final answer
    x = 182,730.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.